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1 | #!./perl -w |
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2 | |
3 | BEGIN { |
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4 | if ($ENV{PERL_CORE}) { |
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5 | chdir 't'; |
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6 | @INC = '../lib'; |
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7 | } |
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8 | } |
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9 | use Cwd; |
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10 | chdir 't'; |
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11 | |
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12 | use strict; |
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13 | use Config; |
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14 | use File::Spec; |
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15 | use File::Path; |
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16 | |
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17 | use lib File::Spec->catdir('t', 'lib'); |
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18 | use Test::More; |
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19 | |
20 | my $IsVMS = $^O eq 'VMS'; |
21 | my $IsMacOS = $^O eq 'MacOS'; |
22 | |
23 | my $vms_unix_rpt = 0; |
24 | my $vms_efs = 0; |
25 | my $vms_mode = 0; |
26 | |
27 | if ($IsVMS) { |
28 | require VMS::Filespec; |
29 | use Carp; |
30 | use Carp::Heavy; |
31 | $vms_mode = 1; |
32 | if (eval 'require VMS::Feature') { |
33 | $vms_unix_rpt = VMS::Feature::current("filename_unix_report"); |
34 | $vms_efs = VMS::Feature::current("efs_charset"); |
35 | } else { |
36 | my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || ''; |
37 | my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || ''; |
38 | $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i; |
39 | $vms_efs = $efs_charset =~ /^[ET1]/i; |
40 | } |
41 | $vms_mode = 0 if ($vms_unix_rpt); |
42 | } |
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43 | |
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44 | my $tests = 30; |
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45 | # _perl_abs_path() currently only works when the directory separator |
46 | # is '/', so don't test it when it won't work. |
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47 | my $EXTRA_ABSPATH_TESTS = ($Config{prefix} =~ m/\//) && $^O ne 'cygwin'; |
48 | $tests += 4 if $EXTRA_ABSPATH_TESTS; |
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49 | plan tests => $tests; |
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50 | |
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51 | SKIP: { |
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52 | skip "no need to check for blib/ in the core", 1 if $ENV{PERL_CORE}; |
53 | like $INC{'Cwd.pm'}, qr{blib}i, "Cwd should be loaded from blib/ during testing"; |
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54 | } |
55 | |
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56 | |
57 | # check imports |
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58 | can_ok('main', qw(cwd getcwd fastcwd fastgetcwd)); |
59 | ok( !defined(&chdir), 'chdir() not exported by default' ); |
60 | ok( !defined(&abs_path), ' nor abs_path()' ); |
61 | ok( !defined(&fast_abs_path), ' nor fast_abs_path()'); |
62 | |
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63 | { |
64 | my @fields = qw(PATH IFS CDPATH ENV BASH_ENV); |
65 | my $before = grep exists $ENV{$_}, @fields; |
66 | cwd(); |
67 | my $after = grep exists $ENV{$_}, @fields; |
68 | is($before, $after, "cwd() shouldn't create spurious entries in %ENV"); |
69 | } |
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70 | |
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71 | # XXX force Cwd to bootsrap its XSUBs since we have set @INC = "../lib" |
72 | # XXX and subsequent chdir()s can make them impossible to find |
73 | eval { fastcwd }; |
74 | |
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75 | # Must find an external pwd (or equivalent) command. |
76 | |
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77 | my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd"; |
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78 | my $pwd_cmd = |
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79 | ($^O eq "NetWare") ? |
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80 | "cd" : |
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81 | ($IsMacOS) ? |
82 | "pwd" : |
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83 | (grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" } |
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84 | split m/$Config{path_sep}/, $ENV{PATH})[0]; |
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85 | |
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86 | $pwd_cmd = 'SHOW DEFAULT' if $IsVMS; |
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87 | if ($^O eq 'MSWin32') { |
88 | $pwd_cmd =~ s,/,\\,g; |
89 | $pwd_cmd = "$pwd_cmd /c cd"; |
90 | } |
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91 | $pwd_cmd =~ s=\\=/=g if ($^O eq 'dos'); |
92 | |
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93 | SKIP: { |
94 | skip "No native pwd command found to test against", 4 unless $pwd_cmd; |
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95 | |
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96 | print "# native pwd = '$pwd_cmd'\n"; |
97 | |
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98 | local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; |
99 | my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint. |
100 | chomp(my $start = `$pwd_cmd_untainted`); |
101 | |
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102 | # Win32's cd returns native C:\ style |
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103 | $start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare"); |
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104 | if ($IsVMS) { |
105 | # DCL SHOW DEFAULT has leading spaces |
106 | $start =~ s/^\s+//; |
107 | |
108 | # When in UNIX report mode, need to convert to compare it. |
109 | if ($vms_unix_rpt) { |
110 | $start = VMS::Filespec::unixpath($start); |
111 | # Remove trailing slash. |
112 | $start =~ s#/$##; |
113 | } |
114 | } |
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115 | SKIP: { |
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116 | skip("'$pwd_cmd' failed, nothing to test against", 4) if $?; |
117 | skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|; |
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118 | |
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119 | # Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which |
120 | # Cwd.pm:getcwd uses) has some magic related to the PWD |
121 | # environment variable: if PWD is set to a directory that |
122 | # looks about right (guess: has the same (dev,ino) as the '.'?), |
123 | # the PWD is returned. However, if that path contains |
124 | # symlinks, the path will not be equal to the one returned by |
125 | # /bin/pwd (which probably uses the usual walking upwards in |
126 | # the path -trick). This situation is easy to reproduce since |
127 | # /tmp is a symlink to /private/tmp. Therefore we invalidate |
128 | # the PWD to force getcwd(3) to (re)compute the cwd in full. |
129 | # Admittedly fixing this in the Cwd module would be better |
130 | # long-term solution but deleting $ENV{PWD} should not be |
131 | # done light-heartedly. --jhi |
132 | delete $ENV{PWD} if $^O eq 'darwin'; |
133 | |
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134 | my $cwd = cwd; |
135 | my $getcwd = getcwd; |
136 | my $fastcwd = fastcwd; |
137 | my $fastgetcwd = fastgetcwd; |
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138 | |
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139 | is($cwd, $start, 'cwd()'); |
140 | is($getcwd, $start, 'getcwd()'); |
141 | is($fastcwd, $start, 'fastcwd()'); |
142 | is($fastgetcwd, $start, 'fastgetcwd()'); |
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143 | } |
144 | } |
145 | |
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146 | my @test_dirs = qw{_ptrslt_ _path_ _to_ _a_ _dir_}; |
147 | my $Test_Dir = File::Spec->catdir(@test_dirs); |
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148 | |
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149 | mkpath([$Test_Dir], 0, 0777); |
150 | Cwd::chdir $Test_Dir; |
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151 | |
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152 | foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) { |
153 | my $result = eval "$func()"; |
154 | is $@, ''; |
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155 | dir_ends_with( $result, $Test_Dir, "$func()" ); |
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156 | } |
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157 | |
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158 | { |
159 | # Some versions of File::Path (e.g. that shipped with perl 5.8.5) |
160 | # call getcwd() with an argument (perhaps by calling it as a |
161 | # method?), so make sure that doesn't die. |
162 | is getcwd(), getcwd('foo'), "Call getcwd() with an argument"; |
163 | } |
164 | |
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165 | # Cwd::chdir should also update $ENV{PWD} |
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166 | dir_ends_with( $ENV{PWD}, $Test_Dir, 'Cwd::chdir() updates $ENV{PWD}' ); |
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167 | my $updir = File::Spec->updir; |
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168 | |
169 | for (1..@test_dirs) { |
170 | Cwd::chdir $updir; |
171 | print "#$ENV{PWD}\n"; |
172 | } |
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173 | |
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174 | rmtree($test_dirs[0], 0, 0); |
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175 | |
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176 | { |
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177 | my $check = ($vms_mode ? qr|\b((?i)t)\]$| : |
178 | $IsMacOS ? qr|\bt:$| : |
179 | qr|\bt$| ); |
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180 | |
181 | like($ENV{PWD}, $check); |
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182 | } |
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183 | |
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184 | { |
185 | # Make sure abs_path() doesn't trample $ENV{PWD} |
186 | my $start_pwd = $ENV{PWD}; |
187 | mkpath([$Test_Dir], 0, 0777); |
188 | Cwd::abs_path($Test_Dir); |
189 | is $ENV{PWD}, $start_pwd; |
190 | rmtree($test_dirs[0], 0, 0); |
191 | } |
192 | |
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193 | SKIP: { |
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194 | skip "no symlinks on this platform", 2+$EXTRA_ABSPATH_TESTS unless $Config{d_symlink}; |
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195 | |
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196 | my $file = "linktest"; |
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197 | mkpath([$Test_Dir], 0, 0777); |
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198 | symlink $Test_Dir, $file; |
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199 | |
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200 | my $abs_path = Cwd::abs_path($file); |
201 | my $fast_abs_path = Cwd::fast_abs_path($file); |
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202 | my $want = quotemeta( |
203 | File::Spec->rel2abs( $Test_Dir ) |
204 | ); |
205 | if ($^O eq 'VMS') { |
206 | # Not easy to predict the physical volume name |
207 | $want = $ENV{PERL_CORE} ? $Test_Dir : File::Spec->catdir('t', $Test_Dir); |
208 | |
209 | # So just use the relative volume name |
210 | $want =~ s/^\[//; |
211 | |
212 | $want = quotemeta($want); |
213 | } |
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214 | |
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215 | like($abs_path, qr|$want$|i); |
216 | like($fast_abs_path, qr|$want$|i); |
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217 | like(Cwd::_perl_abs_path($file), qr|$want$|i) if $EXTRA_ABSPATH_TESTS; |
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218 | |
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219 | rmtree($test_dirs[0], 0, 0); |
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220 | 1 while unlink $file; |
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221 | } |
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222 | |
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223 | if ($ENV{PERL_CORE}) { |
224 | chdir '../ext/Cwd/t'; |
225 | unshift @INC, '../../../lib'; |
226 | } |
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227 | |
228 | # Make sure we can run abs_path() on files, not just directories |
229 | my $path = 'cwd.t'; |
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230 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
231 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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232 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
233 | if $EXTRA_ABSPATH_TESTS; |
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234 | |
235 | $path = File::Spec->catfile(File::Spec->updir, 't', $path); |
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236 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
237 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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238 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
239 | if $EXTRA_ABSPATH_TESTS; |
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240 | |
241 | |
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242 | |
243 | SKIP: { |
244 | my $file; |
245 | { |
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246 | my $root = Cwd::abs_path(File::Spec->rootdir); # Add drive letter? |
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247 | local *FH; |
248 | opendir FH, $root or skip("Can't opendir($root): $!", 2+$EXTRA_ABSPATH_TESTS); |
249 | ($file) = grep {-f $_ and not -l $_} map File::Spec->catfile($root, $_), readdir FH; |
250 | closedir FH; |
251 | } |
252 | skip "No plain file in root directory to test with", 2+$EXTRA_ABSPATH_TESTS unless $file; |
253 | |
254 | $file = VMS::Filespec::rmsexpand($file) if $^O eq 'VMS'; |
255 | is Cwd::abs_path($file), $file, 'abs_path() works on files in the root directory'; |
256 | is Cwd::fast_abs_path($file), $file, 'fast_abs_path() works on files in the root directory'; |
257 | is Cwd::_perl_abs_path($file), $file, '_perl_abs_path() works on files in the root directory' |
258 | if $EXTRA_ABSPATH_TESTS; |
259 | } |
260 | |
261 | |
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262 | ############################################# |
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263 | # These routines give us sort of a poor-man's cross-platform |
264 | # directory or path comparison capability. |
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265 | |
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266 | sub bracketed_form_dir { |
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267 | return join '', map "[$_]", |
268 | grep length, File::Spec->splitdir(File::Spec->canonpath( shift() )); |
269 | } |
270 | |
271 | sub dir_ends_with { |
272 | my ($dir, $expect) = (shift, shift); |
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273 | my $bracketed_expect = quotemeta bracketed_form_dir($expect); |
274 | like( bracketed_form_dir($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
275 | } |
276 | |
277 | sub bracketed_form_path { |
278 | return join '', map "[$_]", |
279 | grep length, File::Spec->splitpath(File::Spec->canonpath( shift() )); |
280 | } |
281 | |
282 | sub path_ends_with { |
283 | my ($dir, $expect) = (shift, shift); |
284 | my $bracketed_expect = quotemeta bracketed_form_path($expect); |
285 | like( bracketed_form_path($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
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286 | } |